Which airports can I use when flying from Southampton to Washington, D.C. Dulles Intl Airport?

Flights from Southampton to Washington, D.C. Dulles Intl Airport usually depart from Southampton Eastleigh (SOU) and arrive at Washington, D.C. Dulles Intl (IAD).

Which airports do connecting flights from Southampton to Washington, D.C. Dulles Intl Airport pass through?

Connecting flights from Southampton to Washington, D.C. Dulles Intl Airport most commonly pass through: • Dublin (DUB) - 90% of one-stop connections • Amsterdam Schiphol (AMS) - 10% of one-stop connections

Can I save money by using flexible dates for flights from Southampton to Washington, D.C. Dulles Intl Airport?

Yes. Flexible dates can save you up to 17% on flights from Southampton to Washington, D.C. Dulles Intl Airport. Sunday is the cheapest departure day at $679 round-trip on average, while Tuesday is the most expensive at $815, a difference of $136. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

What popular places can I visit in Washington, D.C. Dulles Intl Airport?

Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

Do I need a passport to fly from Southampton to Washington, D.C. Dulles Intl Airport?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

How much time can I save by choosing a different layover airport from Southampton to Washington, D.C. Dulles Intl Airport?

Flying via Dublin (DUB) gives the shortest average 1-stop total travel time at 11h 31m, compared with 12h 43m via Amsterdam Schiphol (AMS).

What is the time difference between Southampton and Washington, D.C. Dulles Intl Airport?

Washington, D.C. Dulles Intl Airport is 4 hours behind Southampton (Eastern Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

How much should I expect to pay for a Southampton to Washington, D.C. Dulles Intl Airport flight?

Round-trip flights from Southampton to Washington, D.C. Dulles Intl Airport range from $706 to $815, with an average of $774 over the past 12 months. Anything below $706 counts as a good deal.

Which airline is the cheapest to fly from Southampton to Washington, D.C. Dulles Intl Airport?

KLM ($906) and Delta ($930) are the cheapest airlines to fly round-trip from Southampton to Washington, D.C. Dulles Intl Airport according to KAYAK data over the last 5 days.

What’s the most popular layover airport when flying from Southampton to Washington, D.C. Dulles Intl Airport?

Dublin (DUB) is the most popular layover for the Southampton to Washington, D.C. Dulles Intl Airport route. 90% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via DUB.

What is the cheapest layover airport when flying from Southampton to Washington, D.C. Dulles Intl Airport?

Flights via Amsterdam Schiphol (AMS) offer the most affordable fares, with an average round-trip price of $727. Based on KAYAK data over the past 3 months.

When flying from Southampton to Washington, D.C. Dulles Intl Airport which airport offers the shortest layover?

Dublin (DUB) had the shortest average connection time for Southampton to Washington, D.C. Dulles Intl Airport layovers at 7h 14m over the past 3 months.

$508 CHEAP FLIGHTS from Southampton to Washington, D.C. (SOU - IAD)

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$897

Typical prices: $706-$815

Multiple Airlines

Fri 11/23Fri 11/30

SOU - IAD • 2 stops

Cheapest one-way

$508

Typical prices: $580-$870

Multiple Airlines

Thu 12/20

SOU - IAD • 3 stops

When to travel

July

Cheapest • 10% price drop

August

Most popular

Good to know

Top layover airports

Amsterdam Schiphol (AMS)

Cheapest • Avg $727 (round-trip)

Dublin (DUB)

Shortest trip • 11h 31m (one-way)

Insights

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Washington, D.C. Dulles Intl Airport!

Flight Deals

Cheap Flights from Southampton to Dulles Intl (SOU-IAD)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Southampton to Dulles Intl

Mon, Nov 23 - Mon, Nov 30

12:25 pm - 5:00 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

33h 35m2 stops Dublin Zurich

6:00 pm - 7:30 pmIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

20h 30m2 stops Frankfurt am Main Dublin

$897Multiple Airlines

Tue, Dec 8 - Tue, Dec 15

8:40 am - 3:45 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

12h 05m1 stop Amsterdam Schiphol

5:45 pm - 8:10 amIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

9h 25m1 stop Amsterdam Schiphol

$906KLM

Mon, Nov 23 - Mon, Nov 30

5:45 pm - 6:30 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

29h 45m3 stops Amsterdam Schiphol Dublin Reykjavik Keflavik Intl

7:40 pm - 7:30 pmIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

18h 50m2 stops Reykjavik Keflavik Intl Dublin

$924Multiple Airlines

Mon, Nov 23 - Mon, Nov 30

8:40 am - 3:55 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

12h 15m1 stop Amsterdam Schiphol

6:15 pm - 5:05 pmIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

17h 50m1 stop Amsterdam Schiphol

$930Delta

Sat, Nov 21 - Sat, Nov 28

9:25 am - 12:41 amSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

20h 16m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

6:15 pm - 8:55 amIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

9h 40m1 stop Amsterdam Schiphol

$935KLM

Mon, Nov 23 - Mon, Nov 30

5:45 pm - 2:40 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

25h 55m3 stops Amsterdam Schiphol Kastrup Copenhagen Lisbon Humberto Delgado

5:25 pm - 7:30 pmIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

21h 05m3 stops Lisbon Humberto Delgado Milan Malpensa Dublin

$972Multiple Airlines

Sat, Dec 19 - Sat, Jan 2

9:20 am - 3:45 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

11h 25m1 stop Dublin

8:50 pm - 8:45 amIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

30h 55m1 stop Dublin

$984Aer Lingus

Fri, Feb 12 - Mon, Feb 15

8:00 pm - 3:45 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

24h 45m1 stop Dublin

5:15 pm - 11:50 amIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

13h 35m1 stop Dublin

$1,036British Airways

Sat, Nov 21 - Sat, Nov 28

9:25 am - 12:41 amSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

20h 16m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

12:32 pm - 8:55 amIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

15h 23m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

$1,052KLM

Fri, Feb 12 - Mon, Feb 15

8:00 pm - 3:45 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

24h 45m1 stop Dublin

9:45 pm - 7:05 pmIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

16h 20m2 stops London Heathrow Edinburgh Turnhouse

$1,058British Airways

Recent last minute flight deals from Southampton to Dulles Intl

Thu, Oct 29 - Thu, Nov 5

8:00 pm - 8:20 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

28h 20m1 stop Dublin

5:15 pm - 8:50 amIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

10h 35m1 stop Dublin

$1,002Aer Lingus

Thu, Oct 29 - Thu, Nov 5

8:00 pm - 8:20 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

28h 20m1 stop Dublin

5:15 pm - 8:50 amIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

10h 35m1 stop Dublin

$1,020Aer Lingus

Thu, Oct 29 - Thu, Nov 5

5:35 pm - 4:55 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

27h 20m1 stop Amsterdam Schiphol

6:32 pm - 5:05 pmIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

17h 33m2 stops New York John F Kennedy Intl Amsterdam Schiphol

$1,160KLM

Thu, Oct 29 - Thu, Nov 5

8:40 am - 4:55 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

12h 15m1 stop Amsterdam Schiphol

8:13 am - 8:10 amIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

18h 57m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

$1,162Delta

Thu, Oct 29 - Thu, Nov 5

8:40 am - 4:55 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

12h 15m1 stop Amsterdam Schiphol

8:13 am - 8:10 amIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

18h 57m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

$1,163Delta

Thu, Oct 29 - Thu, Nov 5

8:40 am - 11:16 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

18h 36m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

6:32 pm - 5:05 pmIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

17h 33m2 stops New York John F Kennedy Intl Amsterdam Schiphol

$1,166Delta

Thu, Oct 29 - Thu, Nov 5

8:40 am - 11:16 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

18h 36m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

6:32 pm - 5:05 pmIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

17h 33m2 stops New York John F Kennedy Intl Amsterdam Schiphol

$1,168Delta

Thu, Oct 29 - Thu, Nov 5

8:40 am - 11:16 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

18h 36m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

6:32 pm - 5:05 pmIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

17h 33m2 stops New York John F Kennedy Intl Amsterdam Schiphol

$1,169Delta

Booking Insights

Price, demand and travel trends for Southampton to Washington, D.C. Dulles Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

What's the cheapest day of the week to fly from Southampton to Washington, D.C. Dulles Intl Airport?: Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Southampton to Washington, D.C. Dulles Intl Airport. It’s 13% cheaper than the average day, while Tuesday is the most expensive, with prices 5% higher.

Find deals

High season	August
Cheapest flight	$508

The most popular month to fly with an average 6% increase in travelers.

One-way flight from Southampton to Washington, D.C. Dulles Intl Airport

When to book flights from Southampton to Dulles Intl

Are your dates flexible? Find out the best times to travel from Southampton to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

How long is a flight from Southampton to Washington, D.C. Dulles Intl Airport?
There are currently no nonstop flights available from Southampton to Washington, D.C. Dulles Intl Airport. Flights with 1 layover take between 11h 31m and 12h 43m in total, depending on the connection.
Do I need a passport to fly from Southampton to Washington, D.C. Dulles Intl Airport?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How much should I expect to pay for a Southampton to Washington, D.C. Dulles Intl Airport flight?
Round-trip flights from Southampton to Washington, D.C. Dulles Intl Airport range from $706 to $815, with an average of $774 over the past 12 months. Anything below $706 counts as a good deal.
Have flight prices from Southampton to Washington, D.C. Dulles Intl Airport changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $897 to $5,152. That means the highest observed fare was about 6x higher than the lowest one.
How are flight prices from Southampton to Washington, D.C. Dulles Intl Airport looking right now?
One-way fares from Southampton to Washington, D.C. Dulles Intl Airport are currently in line with typical prices for this route. Average one-way fares are about $738.
Which airports can I use when flying from Southampton to Washington, D.C. Dulles Intl Airport?
Flights from Southampton to Washington, D.C. Dulles Intl Airport usually depart from Southampton Eastleigh (SOU) and arrive at Washington, D.C. Dulles Intl (IAD).
Which airports do connecting flights from Southampton to Washington, D.C. Dulles Intl Airport pass through?
Connecting flights from Southampton to Washington, D.C. Dulles Intl Airport most commonly pass through:

• Dublin (DUB) - 90% of one-stop connections
• Amsterdam Schiphol (AMS) - 10% of one-stop connections
Can I save money by using flexible dates for flights from Southampton to Washington, D.C. Dulles Intl Airport?
Yes. Flexible dates can save you up to 17% on flights from Southampton to Washington, D.C. Dulles Intl Airport. Sunday is the cheapest departure day at $679 round-trip on average, while Tuesday is the most expensive at $815, a difference of $136.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
How much time can I save by choosing a different layover airport from Southampton to Washington, D.C. Dulles Intl Airport?
Flying via Dublin (DUB) gives the shortest average 1-stop total travel time at 11h 31m, compared with 12h 43m via Amsterdam Schiphol (AMS).
What is the time difference between Southampton and Washington, D.C. Dulles Intl Airport?
Washington, D.C. Dulles Intl Airport is 4 hours behind Southampton (Eastern Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in Washington, D.C. Dulles Intl Airport?
Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

If your dates are flexible, aim for a Sunday departure and avoid flying on Tuesday. On this route, Sunday flights average $679, about $136 less than Tuesday fares (17% savings) based on the last 12 months.
If you can choose when to travel, plan your Southampton to Washington, D.C. Dulles Intl Airport trip for July. Fares historically average $700 round-trip in that month - typically $704 less than the most expensive month, which is April (based on the last 12 months).

More options for your flight from Southampton to Dulles Intl

Add a hotel or car rental

Airports

Cabin class

Direct Flights

Origins

Other destinations

Return flight

Complete your trip to Washington, D.C. with a hotel stay or car rental

Car rentals in Washington, D.C.

Hotels in Washington, D.C.

Vacations in Washington, D.C.

SOU - IAD

$508 Find Cheap Flights from Southampton to Washington, D.C. - Compare and Save

Everything you should know

Cheap Flights from Southampton to Dulles Intl (SOU-IAD)

Recent round-trip flight deals from Southampton to Dulles Intl

Recent one-way flight deals from Southampton to Dulles Intl

Recent last minute flight deals from Southampton to Dulles Intl

Price, demand and travel trends for Southampton to Washington, D.C. Dulles Intl Airport flights

What's the cheapest day of the week to fly from Southampton to Washington, D.C. Dulles Intl Airport?

Which airline is the cheapest to fly from Southampton to Washington, D.C. Dulles Intl Airport?

What’s the most popular layover airport when flying from Southampton to Washington, D.C. Dulles Intl Airport?

What is the cheapest layover airport when flying from Southampton to Washington, D.C. Dulles Intl Airport?

When flying from Southampton to Washington, D.C. Dulles Intl Airport which airport offers the shortest layover?

Key details for Southampton to Washington, D.C. Dulles Intl Airport flights

High season

Cheapest flight

When to book flights from Southampton to Dulles Intl

Your Southampton to Washington, D.C. Dulles Intl Airport flight questions, answered

Your guide to booking Southampton to Washington, D.C. Dulles Intl Airport flights

More options for your flight from Southampton to Dulles Intl

Complete your trip to Washington, D.C. with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights to Dulles Intl

Find direct flights to and from Southampton and Dulles Intl

Flights from domestic origins to Dulles Intl

Flights to other popular destinations

Find deals for your return flight